CVE Explorer

CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect *all* of sev_mem_enc_register_region() with kvm->lock Take and hold kvm->lock for before checking sev_guest() in sev_mem_enc_register_region(), as sev_guest() isn't stable unless kvm->lock is held (or KVM can guarantee KVM_SEV_INIT{2} has completed and can't rollack state). If KVM_SEV_INIT{2} fails, KVM can end up trying to add to a not-yet-initialized sev->regions_list, e.g. triggering a #GP Oops: genera

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:37cb3e923cb8d4fc31aca3e84b80f439648bde6d44b09dd76181caddea41438c

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"35a0963d361f98bba798fd15d229dcb166c04684","status":"affected","version":"1e80fdc09d121d8327cdf62eefbb5abadddca792","versionType":"git"},{"lessThan":"ab725ac3022469ecd4d7aa7d5646712e98b249d8","status":"affected","version":"1e80fdc09d121d8327cdf62eefbb5abadddca792","versionType":"git"},{"lessThan":"0ff93ff0ba82e9511770e175fa50682a1ab14fb6","status":"affected","version":"1e80fdc09d121d8327cdf62…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["arch/x86/kvm/svm/sev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.16"},{"lessThan":"4.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.24","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.14","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.1","versionType":"semver"},{"lessThanOr…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/affected/1

Source references

4 source assertions

{"url":"https://git.kernel.org/stable/c/0ff93ff0ba82e9511770e175fa50682a1ab14fb6"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/35a0963d361f98bba798fd15d229dcb166c04684"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/ab725ac3022469ecd4d7aa7d5646712e98b249d8"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/b6408b6cec5df76a165575777800ef2aba12b109"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:7f660e61c96c5b685bdcd9f222a173765eee72eb55300772025cd7a913afe10a · sha256:b168a2c26254738a… · /containers/cna/references/3

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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